I lost my tip and replaced it does not work

It still does not work after I have tried many things, I lost the nib for about an hour, then replaced it, it says it is connected but it does not work when I try to use it.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0